This Sound Sensor Module can detect the size of the voice. With holes for easy installing and connecting to Arduino.
Sound Detection Sensor Module Sound Sensor
$6.00Price
- Feature:
1) can detect the surroundings sound strength , make with : attention the sensor can only disirous 's voice recognition ( vibration according to principle ) can't size of sound recognition or special frequency 's voice
2) sensitivity adjustable ( chart in blue xdcp adjust )
3) work voltage 3.3v-5v
4) output type digital switch output ( 0 and 1 HI-Lo dbm0 )
5) equipped with fitted bolt hole , convenient installation
6) plate pcb : measurement 3 . 2 cm * 1.7cm
Module wiring instructions:
1) VCC voltage is 3.3 V to 5 V converter (which can be directly connected to 5 V single-chip microcontroller and 3.3 V)
2) GND external GND
3) OUT of small plate switch output interface (0 and 1)